close

Вход

Забыли?

вход по аккаунту

?

код для вставки
, oct. 29, 1946. w
I D. MILLER
'
_2,410,229
MINIATURE GASOLINE ENGINE
Filed oct. 4, 1944
»`
gl
74
"1
: :
l
A
._
2 sheets-sheet 1
,_
:l
l
`
_
_
Y
6 ì.
'as
’.4
447A@
Q8
_5
48
70 69
37 “6
Suventor g
Anf/a /W/A fle.
w'
attorney.
' Oct.v29, 1946.
v
D. MILLER
2,410,229 f
MINIATURE GASOLINE ENGINE
Filed oçt. 4, 1944 ,
_2 sheets-sheet' à
\\\\\\\\\\\\\\
.A.
Zs?uentor:
B B,
(Ittomeg.
_2,410,229
Patented Oct. 29,` 1946
UNITED STATES PATENT GFFICE
-
`
'
Y
2,410,229
Y
'
I
MINIATURE GASOLINEENGINE
Daniel Miner, Montebello, Calif.
Application October 4, 194:4,v Serial No.y 557,133VV ‘
(Cl. 12s-59)
’ 15 Claims.
l
’ My invention relates tol miniature internal
combustion motors, and relates in particular to
a small gas engine especially suitable for pow
ering model aircraft.
It is an object of my present invention to pro
2
~ Referring to the drawings which are for illus
trative purposes only,
.
Fig. 1 is a plan View of my invention embodied
in a single cylinder engine.
'
Fig. 2 is a view taken from the pos'tion indi
vide an improved and practical construction for
cated by the line 2-2 of Fig. 1.
l
Fig. 3 is an enlarged fragmentary sectional
view taken as indicated by the line 3-3 of Fig. 2.
may be economically formed so as to cooperate
Fig. 4 is an enlarged fragmentary section taken
upon assembly in a structure which will give good
performance and durability such that its period 10 as indicated by the line 4-4 of Fig. 3.
Fig. 5 is a section taken as indicated by the line
of use without need for repairY or reconditioning
5-5 of Fig. 3.
will be extended.
Fig. 6 is a section taken as indicated by the line
It is an object of the invention to provide in
6-6
of Fig. 3.
this engine a simple crank case so formed that it
maybe used in a one cylinder engine construc 15 Fig. 7 is a partly sectioned view showing my in
vention embodied in a two cylinder engine.
’
tion or in a two cylinder engine construction.
Fig.
8
is
a
fragmentary
section>
taken
as
indi
This feature of the invention enables a pur
cated by the line 8-8 of Fig. 7.
'
chaser of the one cylinder engine to later con
As shown in Figs. l to 6 inclusive, my invention
vert it to a two cylinder engine by obtaining ad
ditional parts, or, if the user has the complete 20 includes a cylinder I0 comprising a shell I I which
may be die cast from an aluminum alloy, this
set o-f parts, he may, as desired, have available
shell having therein- a cylindric steel liner I2.
either a one cylinder engine or a two cylinder
The cylinder III has an exhaust port I3 on one
engine, depending upon the manner in which he
side lthereof and an inlet port I4 on its opposite
assembles the cooperating parts.
`
A further object ofy the invention is to provide 25 side, which communicates through a passage I5
with the interior of a crank case I6, in accordance
a simple shaft and crank construction for a
with two cycle gas engine practice. '.The shell II
miniature internal combustion‘engine. The in
includes circular ñns Il around the upper portion
vention makes possible the use of connecting rods
thereof and parallel fins I8 projecting upwardly
which are complete in one p_iece forthe reason
from the top wall I9 of the shell I I, these parallel
that in assembling the engine, it is not necessary 30 fins
being disposed in diagonal relation to the
to separate the bearing structure at the crank
end of the connecting rod in order to place the ‘ longitudinal axis of the engine, as shown in Fig. '
1. Being thus disposed, the fins I8 are all in an
bearing at the crank end of the connecting rod
miniature gasoline> engines wherein the parts
on the cooperating crank pin.
gular relation to 'the line or direction of move
`
A further object is to provide an internal com
bustion engine having a pair of crank cases and
a nozzle means for connecting these crank cases
ment ofthe engine when the aircraft is in flight
so that the side walls of all of these ñns I8 are
brought into forceful contact with the air and an
improved cooling result is attained for the head
of the cylinder.
The crank ca_se I6, which is secured to the lower
40
- member having crank arms rigidly formed on the
end of the cylinder I0 by means of screws 20
ends thereof for operative connection to crank
defines a crank chamber 2|, surrounded by a cir
pins which, when the engine parts are assem
cular wall 22. The front sideof the crank case
bled, are disposed within the crank cases.
I6 hasa large circular opening 23 therein and
A further object of the invention is to provide 45 the rear side of the crank chamber 2| is closed by
in a miniature aircraft construction a simple ar
a wall _24, from which a distributor shaft support
rangement whereby the fuel mixture is fed into
25 projects, this distributor shaft support having
an axial opening 26 which communicates with
the crank cases, from which it is conveyed to the
the crank chamber 2|. A crank shaft support
cylinders.
A further object of the invention is to provide 50 2‘I is bolted against the front of the crank case
I a simple distributor and means for operating the ` ’ >IIì by bolts 28 ina position to close the opening
23. The support 21 has a shaft opening 29, pref
erably lined with a steel or brass tube 30, to pro
Further objects and advantages of the inven
vide a bearing for the crank shaft 3|. 'I'he sup
tion will be brought out in the following part of
port `2'! is provided with a fuel inlet opening 32,
the specification.
,5,5 ,
in side by side relation, the connecting means
providing a bearing opening’for a crank shaft
same.
.
l
.
-
2,410,229
3
4
.
enclosed in part by an inlet tube 33. A gasoline
rípheral portion thereof. To cooperate with the
inlet tube 34 extends diametrally across the tube
33 and has therein an oriñce 35, the now through
which is controlled by a needle valve 36 which
projects inward from a cap 31 threaded onto the
projecting end 38 of the tube 34. The opposite
member l5, the case §23 carries diametrally opn
posed screws lâ to which high tension circuit wires
may be connected, it bemg understood that for a
single cylinder engine, only one of these screws
'I6 is employed for connection to the single spark
end 39 of the tube 34 is adapted to be connected
by means of a tube 4i), as shown in Fig. 4, to a
plug TE, then used, both of the screws 16 being
employed when the distributor cap is used in the
gasoline supply, whereby the gasoline, under con
two cylinder assembly, shown in Fig. 7. '
trol of the needle valve 35, may be fed through lO * In the Jtwo cylinder arrangement shown in Fig.
the oriñce 35 into the air stream passing through
the fuel inlet passage 32. A handle 4| is ate»A
tached to the cap 31 to rotate the same, whereby
the position of the needle valve 3ft maybe ad
7, the cylinder lo, crank case it, connecting rod
ft'â, distributor shaft $3, lever t5, and distributor
mechanism, including the case S8, are employed.
Also, the shaft 3l is employed with the associated
1,5 breaker point mechanism and propeller mounting
A piston 42 is slidable in the cylinder IQ. This
means previously described. A second cylinder
piston 42 has a pin 43 which passesthrough the
lll’ is provided, which is of the same form and
opening 44 in the upper end of a connecting rod
construction as the cylinder lo. To this cylinder
45. The lower end of the connecting rod 45 pro
iii’ a crank case it" is attached, this crank case
jects,> into the crank chamber 2i and has a con 20 I6.’ having an opening 23’ which faces andA is
tinuous annular wall or Ihub'ëlâ defining a crank
spaced from the opening 23 of the crank case '15.
pin opening 4l for the lower end of the connecting
The crank case i6" has a shaft opening 29‘which
rod 45. rEhe-rear end ofthe hub ¿lâ has therein a
is lined with the bearing sleeve 3U and the shaft
circumferential groove' 48 »providing an annular
Si is extended through the opening 3D so that its
25 crank member 49 will lie within the crank cham
The crank shaft 3i has on its inner'end a crank
ber >2|’ ofthe crank case it’ and> its crank pin 59
member 4S of such size that it may be moved
will pass through the crank pin opening 4l’ of a
through the op-ening 23 of the crank case l5 into
connecting rod 45’ which extends from the crank
the crank chamber ‘2l , the crank mem-bel` 4S hav
inga crank pin 5@ which projects through the 30 chamber 2l’ into the cylinder iii' to engage the
piston 42 therein. AThe crank cases lâ’and IS'
opening 4l at the lower end of the connecting rod
are connected by a crank case'connecting member
45.> rI‘he projecting end El of the crank ’shaft 3|
'i8 having a shaft opening 'i9 aligned with the
has a squared portion 52 to receive a propeller
shaft opening 29 to receive the shaft portion 32)
mounting plate 53, and a threadedr portion 54
which projects through the propeller 55 and re 35 of a crank shaft member 8l which has on its left
ward «or front end a crank arm 82 and has on its
ceivesl thereon a dome nut Së, as shown in Fig. 7.
rear end a crank member 83 which is similar to
The hub 5l of the plate 53 is formed so as to com
justed.
shoulder.
~~
-
-
-
'
l
_
-
`
the crank Ymember 49 and `has -a crank pin 84 to
project through the opening 4'! in the lower _end
mounted on a plate 5_9 having a hub 60 which is
clamped around a projecting portion of the sup 40 of the connecting rod 45. The connecting mein
ber “F8 is split longitudinally thereof so that the
port 2l. For example, the hubl 60 may surround
shaft portion 823 of the crankshaft member lli
the projecting end or" the >bearingsleeve "i6 ras
may be placed in the shaft opening '19, or, in other
shown in Fig. 7. Rotation lof the plate 59 on the
words, so that the connecting member i8 may be
'axis ofthe shaft 3l provides adjustment for ad
assembled aroundthe shaft portion Si, since the
vancing or retarding the opening of _the breaker
shaft portion 8l cannot be moved axially into
points Si , one of which is mounted on the arm 58
and through the opening ‘i9 due to the enlarge
and the other of which is mounted on the plate
prise a cam to actuate a breaker arm 58 which is
ment on its end.
59. A. thrust bearing 62 is disposed between-the
support 21 and the crank member 49. >
‘
n
l
In accordance Vwith the foregoing, the con
A distributor shaft 63 extends through the shaft :g ~ necting member 'i8 is separable on the plane A--A,
Fig. 8, so that it consists of a section 85 and a
section 3S arranged so that they will meet on the
shaft 63 there is a body of insulating material E4 '
plane .él-A, and having cooperative laterally ex
and on the inner end of the shaft 63 there is a
opening 26. On the other end of this distributor
lever 65 constructed of thin metal and having at
its end a fork E5 which straddles the rearwardly .
projecting portion of the hub 46 and engages the
annular groove 48. The revolution of the crank
pin 5t around the axis of the' shaft 3l is trans
mitted through the hub 45 to the lever 65 to’pro
duce rotation of the distributor shaft 63 and the
distributor body 64 which is mounted on the outer
end thereof. A distributor case 5S of insulating
material is secured against the rearward face rof
the crank case I6 in a position surrounding the
tending plate portionsl 8l' which meet on the plane
A-,A and maybe connected together by screws 88.
The connecting member 18 has flanges 89 at the
ends thereof. to engage the crank cases l5 and I6’
and close the openings .23 and v23’ thereof when
the crank cases Iii andlii’ Vare clamped against
the ends of the connecting member'lß by means
ofboltsâß.
j
.
'
-
'
The crank shaft member 8l has axial'openings
9i leading in from the opposite ends thereof to
intake ports 92 which are faced laterally in oppo
rotatable body 64; The case 68 consists of a cup ` ~ ,site directions. The upper section v85 of the con
having a shoulder 69 to engage the cylindrio wall
necting member i8 has therein a- pair of inlet
‘l? which projects rearward as a part of the crank
case IE, and the cup 68 is `held in position by a
passages 93 to cooperate respectively with the
pair of spring clipsfll, theoppositey ends of which , .
A-fuel inlet member 94, connected to the -top of
engage openings l2 in the’wall l0, 'and openings
theupper section 85, de‘iines an inlet chamber 95 '
ports 32 as the crank shaft member El rotates.
'I3 in the cnd'of the case 68 near itsouter wall. In
which Acommunicates with the‘passages 93, and
the center of the case 68 thereis a connector
has an air inlet tube 96 leading thereinto, ‘also a
screw 14, the inner end of which engages a metal
Í transverse gasoline inlettube _34' transversing the
distributor' arm l5 which is mounted on the dis.
tube S6 in the manner describedwith 'relation
'tributor body 64 so as to lextend’around one p'e‘ 75 to the gasoline inlet tube 34 of `Fig. Ll, and its
2,410, 22.9
6
interconnecting means to connectsaid vcrank
cases together comprising members separable'
along; a longitudinal plane, there being a longi
tudinal shaft opening between said separable
members into which said shaft portion >may be
placedby lateral movement; an output ; shaft
relation to theair inlet tube 33, this gasoline
inlet tube 34 having a needle valve 36 of the char
acter shown in detail in Fig. 4.
,.
.
.
„The crank arm 82 of the crank sha-ft member
8l is provided with means whereby it may have
operative connection With the crank pin 45',
extendingv into the crank case of >said'first body
whereby rotation produced by the operation of
member Ain alignment with said shaft portion,
the piston 42 in the cylinder I0 may be carried
said output shaft having a second crank arm
from the crank pin 84 through the crank pin 45
to the power output shaft 3| of Fig. '7, in' addition 10 spaced from said first crank arm; crank pin
means connecting said first and second crank
to the power which this output shaft 3| receives
arms and one of said connecting rods and being
from the piston 42 operating in the cylinders I0’.
disengageable'from one of said crank arms; and
The crank arm 82 has means of coengagement
crankv pin means providing engagement'between
with the crank member 49 represented by an
opening 97 in the crank member 32, which re 15 said crank member and -the connecting> rod in>
‘ ceives the projecting end of the pin 5U.
f the crank case of said second body member. l
3. In an internal combustion engine, the corn--bination of : first and second body members in
ingly, does not employ a continuous rigid crank
side by side relation, each consisting of a cylinder
shaft extended through the several crank cham
bers, but instead has a sectional crank shaft >con 20. and a crank‘case; a piston in each of said cylin
ders and a connecting rod `extending from each
sistin'g of the crank shaft member 8! andthe
pistonv into the cooperating crank case; an inter
output shaft 3! with detachable means of en
The simple assembly shown in Fig. 7, accord
gagement between them, so that both of these
parts 3l and Si act as a single unit when the
simple engine structure is assembled in the inan
ner previously described. Furthermore, the ar
rangement shown does not require split bearings
for the Yconnecting rods, but the connecting rod
bearings are simply formed by' continuous, inte
gral, annular walls at the ends of the connecting
rods defining bearing openings through which
the pins 43, 45', and 84 maybe passed, as a part
of the assembly operation.
»I claim as my invention:
l. In an internal combustion engine, the com
bination of: iirst and second body members in
connecting crank shaft member extendingy from
one of said crank cases to the other, said crank
shaft member having a shaft portion with a first.
crank arm at one end thereof in the case of '.said
iirst'body member. and a crank member at the
other end thereof in the case of said second body
member; interconnecting means to connect said
crank cases together comprising members separa
ble along a longitudinal plane, therebeing a>
longitudinal shaft opening between said separable
members into which said shaft portion may be
placedY byv lateral movement; an output shaft
extending into the >crank case of said first body
member in> alignment with` said shaft portion,
said output shaft having a second crank arm
side by side relation, each consisting of a cylinder
spaced from said first crank arm; crank pinv
and- a crank case; a piston in each of said cylinmeans connectingV said first and secondcrank
ders and a connecting rod extending from each
piston into the cooperating crank case; an in 40 arms and one of said connecting rods; and crank
tercc-nnecting crank shaft member extending
pin means providing engagement between said
from one of said crank cases to the other, said
crank member and the connecting rod in the
crank case of said second body member.
crank shaft member having a shaft portion with
a first crank arm at one end thereof in the crank
4. In aninternal combustion engine, the com- '
case of said first body and a crank member at 45 bination of: ñrst and second body members in
side by side relation, each consisting of a cylin
the other end thereof in the crank case of said
derl and a crank case, said crank cases having
second body member; interconnecting means to
lateral openings faced toward each other; a pis-'
connect said crank cases together having a shaft
ton in each of said cylinders and a connecting rod
opening to receive said shaft portion, said means
having _a removable part to expose said shaft
extending from each piston into the cooperatingl
opening to one side so that said shaft portion
may be placed in said shaft opening from the
side of said interconnecting means; an output
shaft extending into the crank case of said first
crank case; an interconnecting crank shaft mem
ber extending from one of said crank cases to-
body member in alignment withsaid shaft por
tion, said output shaft having a second crank
arm spaced from said first crank arm; crank pin
means connecting said first and second crank
arms, said’crank pin means engaging one of said
the other, said crank shaft member. having a
shaft portion with a ñrst crank arm at one'end
- thereof in the caseof said first body member and
a crank member at the other end thereof in the
case of said second body member; interconnect
ing means extending from onek of said lateral
openings to the other to connect said crank> cases
t vconnecting 'rods andV being disengageable 'from 60 together having a shaft opening to receive said
shaftvportion, said means having a removable
one of said crank arms; and crank pin'cmeans
part to expose said shaft opening to one side >soA
on said crank member engaging the connecting
that’said shaft portion may be‘iplaced in said
rod in the crank case of said second body member.
shaft opening from the side of said interconnect
` 2; In an internal combustion engine, the com- Y
bination of : first and second body members in 65 ing means; an output shaft extending into the
crankv case of said first body member in align
side by side relation, each consisting of a cylinder
ment with said shaft portion, said output Vshaft
and a'crank case; a piston in each of said cylin
having a second crank arm spaced 'from said
ders and a connecting rod extendingffrom each
first crank arm; crank pin means connecting said
piston into the cooperating crank case; an inter
connecting crank shaft member extending from 70 first and second crank arms and one of said
connecting rods and being disengageable from
one of said crank cases to the other, said crank
one of said crank arms;l and crank pin means
shaft member having a shaft portion with a first
providing engagement between said crank mem
crank arm at' one end thereof in the case of said
ber andthe connecting rod in the crank case of
ñrst body and a crank member at the other end
thereof in the lcase voffsaid ‘second body member; 75
saidfsecond body member.
`
ï' ~¥
2,410,229
7
crank casea crank. member having a crank pin
5. In an internal combustion engine, the com
bination of: ñrst and second body members in
side by side relation, each consisting of a cylin
extending into the pin opening of the connecting
rod which extends into said second crank case;
der and a crank case, said crank cases having
interconnecting means to connect said crank
lateral openings faced toward each other; a pis C1 cases together having a shaft opening to receive
said shaft portion and a separable part extending
ton in each of said cylinders and a connecting
from end to end thereof whereby said shaft open
rod extending from each piston into the cooper-v
ating crank case ; an interconnecting crank.
shaft member extending from one of said crank
cases to the other, said crank shaft member hav
ing may be exposed along one side so that said
shaft portion may be placed therein; an output,
10 shaft extending into said first crank case in
ing a shaft portion with a first crank arm at one
alignment with saidr shaft portion, said output
end thereof inthe case of said first body mem
shaft having a crank member in said first crank
ber and a crank member‘at the other end thereof
case with a crank pin disposed so as to project
inthe case of said second body member; inter
through the pin opening of the connecting rod
whichv extends into said first crank case and into
the pin opening of said crank arm; a distributor
shaft extending into said second crank case in
cases together comprising members separable
alignment with said shaft portion; a distributor
alongA a longitudinal plane, there being a longi
operated by the outer end of said distributor
tudinal shaft opening between said separable
members into which said shaft portion may be 20 shaft; and a lever on the inner end of said dis
tributor shaft arranged to be driven by the rota
placed by lateral movement;` screw means to se
tion of the crank member in said second crank
curesaid crank cases to the ends of saidV inter
case.
connecting.' means; an output shaft extending
8, In an internal combustion engine, the com
into the crank case of said first body member in
alignment with said shaft portion, said output 25 bination of: first and second body members in
side by side relation, comprising a first crank
shaft having a second crank arm spaced from
case with a connected cylinder and a second
said first crank arm; crank pin means connecting
connecting means extending from one of said lat
eral openings to the other to connect said crank
said first and second crank arms and one of said
crank case with a connected cylinder; a piston
connecting rods and being disengageable from
in each of said cylinders and connectingV rods
one of said crankv arms; and crank pin means 30 extending from said cylinders into said crank
providing engagement between said crank mem
ber and the connecting rod inthe crankl case of
cases, said connecting rods having pin openings
at the lower ends thereof; an interconnecting
crank member having a shaft portion extending
from one of said crank casesto the other, said
6. In an internal combustion engine, the com
bination of: first and second body members in 35 shaft portion having in said first crank case- a
crank arm witha pin opening therein and having
side by side relation, comprising a first crank
in said second crank case a crank member having
case with a connected cylinder and a second
a crank pin extending into the pin opening; of
crank case with a connected cylinder; a piston
the connecting rod which extends into said second
in each of said cylinders and connecting rods ex
tending from said cylinders into said crank cases, 40 crank case; interconnecting means to connect
said crank cases together having a shaft opening
said connecting rods having pin openings at the
saidsecond member.
lower ends thereof; an interconnecting crank
to receive said shaft portion and a separable part
extending from end to Vend thereof whereby said
member havingrv a shaft portion extending from
shaft opening may be exposed along one side so
one of said crank cases to the other, said shaft
portion having in said first crank case a crank 45 that said shaft portion may be placed therein;
an output shaft extending into said first crank
arm withv a pin opening therein and having. in
case in alignment with said shaft portion, said
said> second crank case a crank member having a
output shaft having a crank member in said
crank` pin extending into the pin opening of the
first crank case with a crank pin' disposed so as
connecting rod whichI extends intovv said second
crank case; interconnecting means to connect 50 to project through the pin opening of the con
necting rod which extends into said first crank
said crank» cases together having a shaft opening
case and into the pin opening of said crank
to receive said shaft portion and a separate part
arm; a. distributor shaft extending into said sec
extending from end to end thereof whereby saidy
ond crank case in alignment with said shaft
shaft opening may be exposed along one side so
that said shaft portion may be placed therein; 55 portion; a distributor operated by the‘outer endv
and an output shaft extending into said ñrst
crank case in alignment with said shaft portion,
said output shaft having a crank member in said
of said distributor shaft; and a lever on the inner
end of said distributor shaft having a fork en
gaging the hub of the connecting rod which ex
tends into said second crank case soas to be
first crank- case with a crank pin disposed so as
to4 project through: the pin opening of. the con 60 rotated by the rotation of the crank member
necting rodwhich extends into said first crank
case and into the pin opening of said» crank arm.
7. In an internal combustionengine, the com
bination. of: first and second body members in
therein.
9. In an internal combustion engine, the com
bination of : first and second body members in
kside by side relation, comprising a first crank
side byl side relation, comprising a. first crank 65 case with a connected cylinder and a second
crank case with a connected cylinder; a piston.
casevvith afconnectedcylinder anda-second crank
case with a connected cylinder;~ a pistonin each
in each of said cylinders and connecting rods
of said cylinders and connecting rods» extendingextending from said cylinders into said crank
cases, said connecting rods having pin openings
from said cylinders into said crank cases, said
connecting rods'having pin openings at the lower
at the lower ends thereof; an interconnecting
crank member having a shaft portion extending
ends thereof; an` interconnecting crank` member
having a shaft portion extending from'one of said
from one of said crank cases to the other, said
shafty portion having in said ñrst crank case a
crank cases to the other, said shaft portion hav
crank arm with a pin' opening therein and having
ing inïsaid first crank case a crank. arm with a
pin opening therein and having in said. second
insaidwsecond crank case a crank member having;
v2,410,229
'9?
a` crankA pin extending finto the pin openingfof
hub` so- asl to »be 'rotated' in responseï to rotation
the connecting `rod which extends into said second
‘of said crankV member.
crank case; interconnecting means 'to 'connect
y' `12. In ¿an internal combustion engine, the com- l
‘
’
'
"
‘
said crank cases together, comprising a'ïñrst-half
bination of :v -first vand second body members in
vand a second half engaging on la >median longi
side by siderelation, comprising a first crank case
with a connected cylinder and a second crank
tudinal plane and 'beingc'ooperatively cham
rcase wi-thf'a- ’connectedcylind'em a’piston in_’each
Abered sothat when they are placed ori-opposite
Vof said cylinders and;connecting- rods lextending
from-saidicylin'ders into-rsai'dcra'n'k cases, said
sides of said shaft portion,`they will form »around
said shaft >portion a- shaft opening in which said
shaft portion is supported, means connecting
connecting- rodsïhaving pin openings atthe »lower
ends thereof; fan- interconnecting crank :member
having 'a 'shaft portion'ext‘endingvfrom one of said
crank cases to the‘other, there being fuel passages
the A two halves :together/to" form" a’iunit, land
means Yfor‘connectingzthe ends of ‘said ’intercon
necting means to-said'crank case; and an output
extending into ‘said’ shaft portion from the ends
ment with said "shaft portion,I saidoutput shaft 15 thereof? with portsat their inner ends faced ïlater
, shaft extending into'said first crank-«casein align
»having a crank member in said flrst-crankcjase
'ally' 'in'V opposite directions, ‘said Ashaft portion
with a crank pin disposed so as to project through
the pin opening of the 'connecting rod‘which ex
tends into said first crank-case and'into the pin
v'having in saidfñr'st crank case -a cranka‘rm'with
opening of said crank arm.
'
'
`
`
"
a pin opening therein' and having insaid second
l20
crank'case a crank member' having a crank pin
extending into the pin opening of the connecting
rod-Which extends into said second crank case;
'10. In an internal «combustion engine v0f ‘the
interconnecting meansl to connect said crank cases
character described, theV combinationof: a cyl
together 'having a shaftopening to receive said
shaft portion and a separable‘p'art extending from
inder; a crank case `connected to the lower end
of said cylinder, said crank case having a crank
opening in the front wall thereof, and a dis 25 end -'to end'thereof whereby said 'shaft opening
may be exposed along one side so that said shaft
tributor shaft opening in the rear wall thereof
substantially aligned with said crank opening;
portion may be placed therein, said interconnect
a piston in said cylinder; a connecting rod ex
ing means having a fuel inlet port in the side
wall thereof positioned so as to connect alter
tending from said piston into said crank case,
said rod having a pin opening at its lower end 30 nately with said ports of said shaft portion; a
fuel and air mixing means connected to said fuel
and a hub projecting toward the rear wall of
inlet port; and an output shaft extending into
the crank case; a crank member of a size to pass
said first crank case in alignment with said shaft
from the exterior of said crank case through said
portion, said output shaft having a crank mem
crank opening into said crank case; a crank pin
on said crank member extending through said 35 ber in said ñrst crank case with a crank pin dis
posed so as to project through the pin opening
opening of said rod; a shaft extending outward
of the connecting rod which extends into said
from said crank member; supporting means to
ñrst crank case and into the pin opening of said
support said shaft for rotation comprising a
crank arm.
body having a wall to close said shaft opening
and an opening through which said shaft may 40
project into the exterior and providing bearing
means to support said shaft; means to secure
said supporting means to said crank case; a dis
tributor shaft projecting through said shaft open
ing; and a lever on the inner end of said dis
tributor shaft engaging said hub of said con
necting rod so as to be rotated in response to
rotation of said crank member.
11. In an internal combustion engine of the
character described, the combination of : a cyl
inder; a crank case connected to the lower end of
said cylinder, said crank .case having a crank
opening in the front Wall thereof, and a distrib
utor shaft opening in the rear wall thereof sub
13. In an internal combustion engine, the com
bination of: first and second body members in
side by side relation, comprising a ñrst crank case
with a connected cylinder and a second crank
case with a connected cylinder; a piston in each
of said cylinders and connecting rods extending
from said cylinders into said crank cases; an in
terconnecting crank member having a shaft por
tion extending from one of said crank cases to
the other, there being fuel passages extending
5 0 into said shaft portion from the ends thereof with
ports at their inner ends faced laterally in oppo
site directions, said shaft portion having in said
ñrst and second crank cases crank means engag
ing the lower ends of said connecting rods; in
stantially aligned with said crank opening; a 5 5 terconnecting means to connect said crank cases
together having a shaft opening to receive said
piston in said cylinder; a connecting rod extend
shaft portion and a separable part extending
ing from said piston into said crank case, said rod
from end to end thereof whereby said shaft open
having a pin opening at its lower end and a hub
ing may be exposed along one side so that said
projecting toward .the rear Wall of the crank case,
said hub having an annular groove therearound; 6 0 shaft portion may be placed therein, said inter
connecting means having a fuel inlet port in the
a crank member of .a size to pass from the ex
terior of said crank case through said crank open- , - side wall .thereof positioned so as to connect al
ternately with said ports of said shaft portion;
ing into said crank case; a crank pin on said
and an output Shaft extending into said firstV
crank member extending through said opening
of said rod; a shaft extending outward from said 5 _crank case in alignment with said shaft portion,
said output shaft having a crank member in said
crank member; supporting means to support said
first crank case connected to one of the crank
shaft for rotation comprising a body having a
members of said interconnecting crank member.
wall to close said shaft opening _and an opening
14. In an internal combustion engine, the com
through which said shaft' may project into the
exterior and providing bearing means to support
said shaft; means to secure said supporting means
to said crank case; a distributor shaft projecting
through said shaft opening; and a lever on the
inner end of said distributor shaft having a fork ‘
bination of: first and second body members in
side by side relation, comprising a first crank
case with a connected cylinder and _a second
crank case with a connected cylinder; a piston in
each of said ycylinders and connecting rods ex
at the end thereof to engage said groove of said 7 5 tending from said cylinders into said crank cases,
11
12
said connecting rods having ypin `openings .at 'the
pistons `operative in said cylinders, and lconnect
ing rods extending from ysaid pistons into said
lower ends thereof; an interconnecting crank
member having a shaft `por-tion Lextending from
one »of «said crank cases yto the other, ¿there ¿being
fuel passages extending into `said shaft por-tion
from the ends thereof with ports at their inner
1ends faced laterally in opposite directions, said
»shaft portion having in said first >and second
:crank cases >crank means `engaging the lopenings
in the lower ends of .said .connecting.rods; >inter
connecting .mcansto'connect said -crank Acases '.to
_igether .having ya _shaft opening extending .from
end to end thereof to receive :said ¿shaft portion,
crank cases, the Vcombination :of: an intercon
necting crankshaft ,member rhaving a shaft por
`tion ‘extending >from one yof lsaid crank casesxto
the other, there `being crank means connected to
the mshaft .member for operating’said connecting
rods, tand-.there .beinglfuel passages extending into
'said shaft portion from the ends .thereof with
„ports'at'the inner ends of said passages communi
"eating with the side wall of said shaft portion;
.interconnecting means to connect said crank
-cases together, havinga shaft opening .to vreceive
said shaft portion and -a Vseparablepart extending
fsaid interconnecting means having va fuelY inlet
kport in the side Wall `thereof positioned-so as to 15 :from end to end thereof whereby said shaft open
ing may be exposed along one side so that lsaid
connect alternately with said port of said shaft
portion; and an‘output'shaft extending into‘said
shaft portion may be placed therein, said inter
first crank case in alignment with said shaft por
tion, said output shaft having »a crank member
in said ñrst crank case connected to one of the
crank members of said interconnecting crank
member.
15. In an internal combustion engine having
first and second crank cases inside by side `rela
connecting means having a fuel intake port in
the side -Wall thereof formed so as to connect a1
tion, cylinders .connected to vsaid crank cases, 25
ternately with said ports Yof said vshaft portion;
and an output shaft extending into said ñrst
crank .case having means for operatively con
necting it to said crankshaft member.
DANIEL MILLER.
Документ
Категория
Без категории
Просмотров
0
Размер файла
1 162 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа